Male human 105 language male 105 Humans 104 female 99 Female 97 Language 68 adult 67 Adult 57 human experiment 53 physiology 52 article 50 Young Adult 39 young adult 39 controlled study 34 child 30 Middle Aged 26 middle aged 26 preschool child 24 Article 23 Child, Preschool 23 Adolescent 22 adolescent 22 psychology 22 speech 22 language development 21 Speech Perception 20 speech perception 20 reading 18